Merge tetrachloride.(none):/mnt/raid/src/kernel/2.5/bk-linus

into tetrachloride.(none):/mnt/raid/src/kernel/2.5/agpgart

drivers/char/agp/Kconfig

@@ -29,7 +29,7 @@ config AGP_ALI
 	tristate "ALI chipset support"
 	depends on AGP && X86 && !X86_64
 	---help---
-	  This option gives you AGP support for the GLX component of the
+	  This option gives you AGP support for the GLX component of
 	  XFree86 4.x on the following ALi chipsets.  The supported chipsets
 	  include M1541, M1621, M1631, M1632, M1641,M1647,and M1651.
 	  For the ALi-chipset question, ALi suggests you refer to
@@ -47,25 +47,27 @@ config AGP_AMD
 	tristate "AMD Irongate, 761, and 762 chipset support"
 	depends on AGP && X86 && !X86_64
 	help
-	  This option gives you AGP support for the GLX component of the
+	  This option gives you AGP support for the GLX component of
 	  XFree86 4.x on AMD Irongate, 761, and 762 chipsets.
 
 	  You should say Y here if you use XFree86 3.3.6 or 4.x and want to
 	  use GLX or DRI.  If unsure, say N.
 
 config AGP_AMD_8151
-	tristate "AMD 8151 chipset support"
+	tristate "AMD Opteron/Athlon64 on-CPU GART support"
 	depends on AGP && X86
 	default GART_IOMMU
 	help
-	  Say Y here to support the AMD 8151 AGP bridge and the builtin
-	  GART on the AMD Athlon64/Opteron ("Hammer") CPUs.
+	  This option gives you AGP support for the GLX component of
+	  XFree86 4.x using the on-CPU AGP bridge of the AMD Athlon64/Opteron CPUs.
+	  You should say Y here if you use XFree86 3.3.6 or 4.x and want to
+	  use GLX or DRI.  If unsure, say N
 
 config AGP_INTEL
 	tristate "Intel 440LX/BX/GX, I8xx and E7x05 chipset support"
 	depends on AGP && X86 && !X86_64
 	help
-	  This option gives you AGP support for the GLX component of the
+	  This option gives you AGP support for the GLX component of
 	  XFree86 4.x on Intel 440LX/BX/GX, 815, 820, 830, 840, 845, 850, 860
 	  E7205 and E7505 chipsets and full support for the 810, 815, 830M, 845G,
 	  852GM, 855GM and 865G integrated graphics chipsets.
@@ -78,7 +80,7 @@ config AGP_NVIDIA
 	tristate "NVIDIA nForce/nForce2 chipset support"
 	depends on AGP && X86 && !X86_64
 	help
-	  This option gives you AGP support for the GLX component of the
+	  This option gives you AGP support for the GLX component of
 	  XFree86 4.x on the following NVIDIA chipsets.  The supported chipsets
 	  include nForce and nForce2
 
@@ -86,9 +88,8 @@ config AGP_SIS
 	tristate "SiS chipset support"
 	depends on AGP && X86 && !X86_64
 	help
-	  This option gives you AGP support for the GLX component of the "soon
-	  to be released" XFree86 4.x on Silicon Integrated Systems [SiS]
-	  chipsets.
+	  This option gives you AGP support for the GLX component of
+	  XFree86 4.x on Silicon Integrated Systems [SiS] chipsets.
 
 	  Note that 5591/5592 AGP chipsets are NOT supported.
 
@@ -106,7 +107,7 @@ config AGP_VIA
 	tristate "VIA chipset support"
 	depends on AGP && X86 && !X86_64
 	help
-	  This option gives you AGP support for the GLX component of the
+	  This option gives you AGP support for the GLX component of
 	  XFree86 4.x on VIA MPV3/Apollo Pro chipsets.
 
 	  You should say Y here if you use XFree86 3.3.6 or 4.x and want to
@@ -131,3 +132,10 @@ config AGP_ALPHA_CORE
 	depends on AGP && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL)
 	default AGP
 
+config AGP_UNINORTH
+	tristate "Apple UniNorth AGP support"
+	depends on AGP && ALL_PPC
+	help
+	  This option gives you AGP support for Apple machines with a
+	  UniNorth bridge.
+

drivers/char/agp/Makefile

@@ -11,5 +11,6 @@ obj-$(CONFIG_AGP_INTEL)		+= intel-agp.o
 obj-$(CONFIG_AGP_NVIDIA)	+= nvidia-agp.o
 obj-$(CONFIG_AGP_SIS)		+= sis-agp.o
 obj-$(CONFIG_AGP_SWORKS)	+= sworks-agp.o
+obj-$(CONFIG_AGP_UNINORTH)	+= uninorth-agp.o
 obj-$(CONFIG_AGP_VIA)		+= via-agp.o
 

drivers/char/agp/agp.h

@@ -113,8 +113,6 @@ struct agp_bridge_driver {
 	void (*free_by_type)(agp_memory *);
 	void *(*agp_alloc_page)(void);
 	void (*agp_destroy_page)(void *);
-	int (*suspend)(void);
-	void (*resume)(void);
 };
 
 struct agp_bridge_data {
@@ -384,16 +382,14 @@ agp_memory *agp_generic_alloc_by_type(size_t page_count, int type);
 void agp_generic_free_by_type(agp_memory * curr);
 void *agp_generic_alloc_page(void);
 void agp_generic_destroy_page(void *addr);
-int agp_generic_suspend(void);
-void agp_generic_resume(void);
 void agp_free_key(int key);
 int agp_num_entries(void);
 u32 agp_collect_device_status(u32 mode, u32 command);
 void agp_device_command(u32 command, int agp_v3);
-int agp_3_0_enable(struct agp_bridge_data *bridge, u32 mode);
-int agp_3_5_enable(struct agp_bridge_data *bridge, u32 mode);
+int agp_3_5_enable(struct agp_bridge_data *bridge);
 void global_cache_flush(void);
 void get_agp_version(struct agp_bridge_data *bridge);
+unsigned long agp_generic_mask_memory(unsigned long addr, int type);
 
 /* Standard agp registers */
 #define AGPSTAT			0x4

drivers/char/agp/ali-agp.c

@@ -114,12 +114,6 @@ static int ali_configure(void)
 	return 0;
 }
 
-static unsigned long ali_mask_memory(unsigned long addr, int type)
-{
-	/* Memory type is ignored */
-
-	return addr | agp_bridge->driver->masks[0].mask;
-}
 
 static void m1541_cache_flush(void)
 {
@@ -180,10 +174,6 @@ static void m1541_destroy_page(void * addr)
 
 
 /* Setup function */
-static struct gatt_mask ali_generic_masks[] =
-{
-	{.mask = 0x00000000, .type = 0}
-};
 
 static struct aper_size_info_32 ali_generic_sizes[7] =
 {
@@ -198,7 +188,6 @@ static struct aper_size_info_32 ali_generic_sizes[7] =
 
 struct agp_bridge_driver ali_generic_bridge = {
 	.owner			= THIS_MODULE,
-	.masks			= ali_generic_masks,
 	.aperture_sizes		= ali_generic_sizes,
 	.size_type		= U32_APER_SIZE,
 	.num_aperture_sizes	= 7,
@@ -206,7 +195,8 @@ struct agp_bridge_driver ali_generic_bridge = {
 	.fetch_size		= ali_fetch_size,
 	.cleanup		= ali_cleanup,
 	.tlb_flush		= ali_tlbflush,
-	.mask_memory		= ali_mask_memory,
+	.mask_memory		= agp_generic_mask_memory,
+	.masks			= NULL,
 	.agp_enable		= agp_generic_enable,
 	.cache_flush		= global_cache_flush,
 	.create_gatt_table	= agp_generic_create_gatt_table,
@@ -217,13 +207,10 @@ struct agp_bridge_driver ali_generic_bridge = {
 	.free_by_type		= agp_generic_free_by_type,
 	.agp_alloc_page		= agp_generic_alloc_page,
 	.agp_destroy_page	= ali_destroy_page,
-	.suspend		= agp_generic_suspend,
-	.resume			= agp_generic_resume,
 };
 
 struct agp_bridge_driver ali_m1541_bridge = {
 	.owner			= THIS_MODULE,
-	.masks			= ali_generic_masks,
 	.aperture_sizes		= ali_generic_sizes,
 	.size_type		= U32_APER_SIZE,
 	.num_aperture_sizes	= 7,
@@ -231,7 +218,8 @@ struct agp_bridge_driver ali_m1541_bridge = {
 	.fetch_size		= ali_fetch_size,
 	.cleanup		= ali_cleanup,
 	.tlb_flush		= ali_tlbflush,
-	.mask_memory		= ali_mask_memory,
+	.mask_memory		= agp_generic_mask_memory,
+	.masks			= NULL,
 	.agp_enable		= agp_generic_enable,
 	.cache_flush		= m1541_cache_flush,
 	.create_gatt_table	= agp_generic_create_gatt_table,
@@ -242,8 +230,6 @@ struct agp_bridge_driver ali_m1541_bridge = {
 	.free_by_type		= agp_generic_free_by_type,
 	.agp_alloc_page		= m1541_alloc_page,
 	.agp_destroy_page	= m1541_destroy_page,
-	.suspend		= agp_generic_suspend,
-	.resume			= agp_generic_resume,
 };
 
 
@@ -391,7 +377,7 @@ static struct pci_device_id agp_ali_pci_table[] __initdata = {
 
 MODULE_DEVICE_TABLE(pci, agp_ali_pci_table);
 
-static struct __initdata pci_driver agp_ali_pci_driver = {
+static struct pci_driver agp_ali_pci_driver = {
 	.name		= "agpgart-ali",
 	.id_table	= agp_ali_pci_table,
 	.probe		= agp_ali_probe,

drivers/char/agp/alpha-agp.c

@@ -38,10 +38,6 @@ static struct aper_size_info_fixed alpha_core_agp_sizes[] =
 	{ 0, 0, 0 }, /* filled in by alpha_core_agp_setup */
 };
 
-static struct gatt_mask alpha_core_agp_masks[] = {
-	{ .mask = 0, .type = 0 },
-};
-
 struct vm_operations_struct alpha_core_agp_vm_ops = {
 	.nopage = alpha_core_agp_vm_nopage,
 };
@@ -78,12 +74,6 @@ static void alpha_core_agp_tlbflush(agp_memory *mem)
 	alpha_mv.mv_pci_tbi(agp->hose, 0, -1);
 }
 
-static unsigned long alpha_core_agp_mask_memory(unsigned long addr, int type)
-{
-	/* Memory type is ignored */
-	return addr | agp_bridge->driver->masks[0].mask;
-}
-
 static void alpha_core_agp_enable(u32 mode)
 {
 	alpha_agp_info *agp = agp_bridge->dev_private_data;
@@ -127,7 +117,6 @@ static int alpha_core_agp_remove_memory(agp_memory *mem, off_t pg_start,
 
 struct agp_bridge_driver alpha_core_agp_driver = {
 	.owner			= THIS_MODULE,
-	.masks			= alpha_core_agp_masks,
 	.aperture_sizes		= aper_size,
 	.current_size		= aper_size,	/* only one entry */
 	.size_type		= FIXED_APER_SIZE,
@@ -136,7 +125,8 @@ struct agp_bridge_driver alpha_core_agp_driver = {
 	.fetch_size		= alpha_core_agp_fetch_size,
 	.cleanup		= alpha_core_agp_cleanup,
 	.tlb_flush		= alpha_core_agp_tlbflush,
-	.mask_memory		= alpha_core_agp_mask_memory,
+	.mask_memory		= agp_generic_mask_memory,
+	.masks			= NULL,
 	.agp_enable		= alpha_core_agp_enable,
 	.cache_flush		= global_cache_flush,
 	.create_gatt_table	= alpha_core_agp_nop,

drivers/char/agp/amd-k7-agp.c

@@ -29,9 +29,9 @@ static int amd_create_page_map(struct amd_page_map *page_map)
 	int i;
 
 	page_map->real = (unsigned long *) __get_free_page(GFP_KERNEL);
-	if (page_map->real == NULL) {
+	if (page_map->real == NULL)
 		return -ENOMEM;
-	}
+
 	SetPageReserved(virt_to_page(page_map->real));
 	global_cache_flush();
 	page_map->remapped = ioremap_nocache(virt_to_phys(page_map->real), 
@@ -44,9 +44,8 @@ static int amd_create_page_map(struct amd_page_map *page_map)
 	}
 	global_cache_flush();
 
-	for(i = 0; i < PAGE_SIZE / sizeof(unsigned long); i++) {
+	for (i = 0; i < PAGE_SIZE / sizeof(unsigned long); i++)
 		page_map->remapped[i] = agp_bridge->scratch_page;
-	}
 
 	return 0;
 }
@@ -65,12 +64,11 @@ static void amd_free_gatt_pages(void)
 	struct amd_page_map *entry;
 
 	tables = amd_irongate_private.gatt_pages;
-	for(i = 0; i < amd_irongate_private.num_tables; i++) {
+	for (i = 0; i < amd_irongate_private.num_tables; i++) {
 		entry = tables[i];
 		if (entry != NULL) {
-			if (entry->real != NULL) {
+			if (entry->real != NULL)
 				amd_free_page_map(entry);
-			}
 			kfree(entry);
 		}
 	}
@@ -87,25 +85,27 @@ static int amd_create_gatt_pages(int nr_tables)
 
 	tables = kmalloc((nr_tables + 1) * sizeof(struct amd_page_map *), 
 			 GFP_KERNEL);
-	if (tables == NULL) {
+	if (tables == NULL)
 		return -ENOMEM;
-	}
-	memset(tables, 0, sizeof(struct amd_page_map *) * (nr_tables + 1));
+
+	memset (tables, 0, sizeof(struct amd_page_map *) * (nr_tables + 1));
 	for (i = 0; i < nr_tables; i++) {
 		entry = kmalloc(sizeof(struct amd_page_map), GFP_KERNEL);
 		if (entry == NULL) {
 			retval = -ENOMEM;
 			break;
 		}
-		memset(entry, 0, sizeof(struct amd_page_map));
+		memset (entry, 0, sizeof(struct amd_page_map));
 		tables[i] = entry;
 		retval = amd_create_page_map(entry);
-		if (retval != 0) break;
+		if (retval != 0)
+			break;
 	}
 	amd_irongate_private.num_tables = nr_tables;
 	amd_irongate_private.gatt_pages = tables;
 
-	if (retval != 0) amd_free_gatt_pages();
+	if (retval != 0)
+		amd_free_gatt_pages();
 
 	return retval;
 }
@@ -132,9 +132,8 @@ static int amd_create_gatt_table(void)
 
 	value = A_SIZE_LVL2(agp_bridge->current_size);
 	retval = amd_create_page_map(&page_dir);
-	if (retval != 0) {
+	if (retval != 0)
 		return retval;
-	}
 
 	retval = amd_create_gatt_pages(value->num_entries / 1024);
 	if (retval != 0) {
@@ -156,7 +155,7 @@ static int amd_create_gatt_table(void)
 	agp_bridge->gart_bus_addr = addr;
 
 	/* Calculate the agp offset */
-	for(i = 0; i < value->num_entries / 1024; i++, addr += 0x00400000) {
+	for (i = 0; i < value->num_entries / 1024; i++, addr += 0x00400000) {
 		page_dir.remapped[GET_PAGE_DIR_OFF(addr)] =
 			virt_to_phys(amd_irongate_private.gatt_pages[i]->real);
 		page_dir.remapped[GET_PAGE_DIR_OFF(addr)] |= 0x00000001;
@@ -266,20 +265,12 @@ static void amd_irongate_cleanup(void)
  * entries.
  */
 
-static void amd_irongate_tlbflush(agp_memory * temp)
+static void amd_irongate_tlbflush(agp_memory *temp)
 {
 	OUTREG32(amd_irongate_private.registers, AMD_TLBFLUSH, 0x00000001);
 }
 
-static unsigned long amd_irongate_mask_memory(unsigned long addr, int type)
-{
-	/* Only type 0 is supported by the irongate */
-
-	return addr | agp_bridge->driver->masks[0].mask;
-}
-
-static int amd_insert_memory(agp_memory * mem,
-			     off_t pg_start, int type)
+static int amd_insert_memory(agp_memory * mem, off_t pg_start, int type)
 {
 	int i, j, num_entries;
 	unsigned long *cur_gatt;
@@ -287,12 +278,11 @@ static int amd_insert_memory(agp_memory * mem,
 
 	num_entries = A_SIZE_LVL2(agp_bridge->current_size)->num_entries;
 
-	if (type != 0 || mem->type != 0) {
+	if (type != 0 || mem->type != 0)
 		return -EINVAL;
-	}
-	if ((pg_start + mem->page_count) > num_entries) {
+
+	if ((pg_start + mem->page_count) > num_entries)
 		return -EINVAL;
-	}
 
 	j = pg_start;
 	while (j < (pg_start + mem->page_count)) {
@@ -312,22 +302,21 @@ static int amd_insert_memory(agp_memory * mem,
 		addr = (j * PAGE_SIZE) + agp_bridge->gart_bus_addr;
 		cur_gatt = GET_GATT(addr);
 		cur_gatt[GET_GATT_OFF(addr)] =
-			amd_irongate_mask_memory(mem->memory[i], mem->type);
+			agp_generic_mask_memory(mem->memory[i], mem->type);
 	}
 	amd_irongate_tlbflush(mem);
 	return 0;
 }
 
-static int amd_remove_memory(agp_memory * mem, off_t pg_start,
-			     int type)
+static int amd_remove_memory(agp_memory *mem, off_t pg_start, int type)
 {
 	int i;
 	unsigned long *cur_gatt;
 	unsigned long addr;
 
-	if (type != 0 || mem->type != 0) {
+	if (type != 0 || mem->type != 0)
 		return -EINVAL;
-	}
+
 	for (i = pg_start; i < (mem->page_count + pg_start); i++) {
 		addr = (i * PAGE_SIZE) + agp_bridge->gart_bus_addr;
 		cur_gatt = GET_GATT(addr);
@@ -352,12 +341,11 @@ static struct aper_size_info_lvl2 amd_irongate_sizes[7] =
 
 static struct gatt_mask amd_irongate_masks[] =
 {
-	{.mask = 0x00000001, .type = 0}
+	{.mask = 1, .type = 0}
 };
 
 struct agp_bridge_driver amd_irongate_driver = {
 	.owner			= THIS_MODULE,
-	.masks			= amd_irongate_masks,
 	.aperture_sizes		= amd_irongate_sizes,
 	.size_type		= LVL2_APER_SIZE,
 	.num_aperture_sizes	= 7,
@@ -365,7 +353,8 @@ struct agp_bridge_driver amd_irongate_driver = {
 	.fetch_size		= amd_irongate_fetch_size,
 	.cleanup		= amd_irongate_cleanup,
 	.tlb_flush		= amd_irongate_tlbflush,
-	.mask_memory		= amd_irongate_mask_memory,
+	.mask_memory		= agp_generic_mask_memory,
+	.masks			= amd_irongate_masks,
 	.agp_enable		= agp_generic_enable,
 	.cache_flush		= global_cache_flush,
 	.create_gatt_table	= amd_create_gatt_table,
@@ -376,8 +365,6 @@ struct agp_bridge_driver amd_irongate_driver = {
 	.free_by_type		= agp_generic_free_by_type,
 	.agp_alloc_page		= agp_generic_alloc_page,
 	.agp_destroy_page	= agp_generic_destroy_page,
-	.suspend		= agp_generic_suspend,
-	.resume			= agp_generic_resume,
 };
 
 struct agp_device_ids amd_agp_device_ids[] __initdata =
@@ -469,7 +456,7 @@ static struct pci_device_id agp_amdk7_pci_table[] __initdata = {
 
 MODULE_DEVICE_TABLE(pci, agp_amdk7_pci_table);
 
-static struct __initdata pci_driver agp_amdk7_pci_driver = {
+static struct pci_driver agp_amdk7_pci_driver = {
 	.name		= "agpgart-amdk7",
 	.id_table	= agp_amdk7_pci_table,
 	.probe		= agp_amdk7_probe,

drivers/char/agp/amd-k8-agp.c

@@ -212,20 +212,13 @@ static void amd_8151_cleanup(void)
 }
 
 
-static unsigned long amd_8151_mask_memory(unsigned long addr, int type)
-{
-	return addr | agp_bridge->driver->masks[0].mask;
-}
-
-
 static struct gatt_mask amd_8151_masks[] =
 {
-	{.mask = 0x00000001, .type = 0}
+	{ .mask = 1, .type = 0 }
 };
 
 struct agp_bridge_driver amd_8151_driver = {
 	.owner			= THIS_MODULE,
-	.masks			= amd_8151_masks,
 	.aperture_sizes		= amd_8151_sizes,
 	.size_type		= U32_APER_SIZE,
 	.num_aperture_sizes	= 7,
@@ -233,7 +226,8 @@ struct agp_bridge_driver amd_8151_driver = {
 	.fetch_size		= amd_x86_64_fetch_size,
 	.cleanup		= amd_8151_cleanup,
 	.tlb_flush		= amd_x86_64_tlbflush,
-	.mask_memory		= amd_8151_mask_memory,
+	.mask_memory		= agp_generic_mask_memory,
+	.masks			= amd_8151_masks,
 	.agp_enable		= agp_generic_enable,
 	.cache_flush		= global_cache_flush,
 	.create_gatt_table	= agp_generic_create_gatt_table,
@@ -244,8 +238,6 @@ struct agp_bridge_driver amd_8151_driver = {
 	.free_by_type		= agp_generic_free_by_type,
 	.agp_alloc_page		= agp_generic_alloc_page,
 	.agp_destroy_page	= agp_generic_destroy_page,
-	.suspend		= agp_generic_suspend,
-	.resume			= agp_generic_resume,
 };
 
 static int __init agp_amdk8_probe(struct pci_dev *pdev,
@@ -268,7 +260,9 @@ static int __init agp_amdk8_probe(struct pci_dev *pdev,
 	if (!bridge)
 		return -ENOMEM;
 
-	/* Assume here we have an 8151. (Later this assumption will be fixed). */
+	if (pdev->vendor == PCI_VENDOR_ID_AMD &&
+	    pdev->device == PCI_DEVICE_ID_AMD_8151_0) {
+
 		pci_read_config_byte(pdev, PCI_REVISION_ID, &rev_id);
 		switch (rev_id) {
 		case 0x01:	revstring="A0";
@@ -293,6 +287,7 @@ static int __init agp_amdk8_probe(struct pci_dev *pdev,
 			bridge->major_version = 3;
 			bridge->minor_version = 0;
 		}
+	}
 
 	bridge->driver = &amd_8151_driver;
 	bridge->dev = pdev;
@@ -338,12 +333,20 @@ static struct pci_device_id agp_amdk8_pci_table[] __initdata = {
 	.subvendor	= PCI_ANY_ID,
 	.subdevice	= PCI_ANY_ID,
 	},
+	{
+	.class		= (PCI_CLASS_BRIDGE_HOST << 8),
+	.class_mask	= ~0,
+	.vendor		= PCI_VENDOR_ID_VIA,
+	.device		= PCI_DEVICE_ID_VIA_K8T400M_0,
+	.subvendor	= PCI_ANY_ID,
+	.subdevice	= PCI_ANY_ID,
+	},
 	{ }
 };
 
 MODULE_DEVICE_TABLE(pci, agp_amdk8_pci_table);
 
-static struct __initdata pci_driver agp_amdk8_pci_driver = {
+static struct pci_driver agp_amdk8_pci_driver = {
 	.name		= "agpgart-amd-k8",
 	.id_table	= agp_amdk8_pci_table,
 	.probe		= agp_amdk8_probe,

drivers/char/agp/backend.c

@@ -210,19 +210,6 @@ static void agp_backend_cleanup(struct agp_bridge_data *bridge)
 				phys_to_virt(bridge->scratch_page_real));
 }
 
-static int agp_power(struct pm_dev *dev, pm_request_t rq, void *data)
-{
-	switch(rq) {
-		case PM_SUSPEND:
-			return agp_bridge->driver->suspend();
-		case PM_RESUME:
-			agp_bridge->driver->resume();
-			return 0;
-	}		
-	return 0;
-}
-
-
 static const drm_agp_t drm_agp = {
 	&agp_free_memory,
 	&agp_allocate_memory,
@@ -253,34 +240,39 @@ int agp_add_bridge(struct agp_bridge_data *bridge)
 	int error;
 
 	if (!bridge->dev) {
-		printk(KERN_DEBUG PFX "Erk, registering with no pci_dev!\n");
+		printk (KERN_DEBUG PFX "Erk, registering with no pci_dev!\n");
 		return -EINVAL;
 	}
 
 	if (agp_count) {
-		printk(KERN_DEBUG PFX
+		printk (KERN_INFO PFX
 		       "Only one agpgart device currently supported.\n");
 		return -ENODEV;
 	}
 
 	/* Grab reference on the chipset driver. */
-	if (!try_module_get(bridge->driver->owner))
+	if (!try_module_get(bridge->driver->owner)) {
+		printk (KERN_INFO PFX "Couldn't lock chipset driver.\n");
 		return -EINVAL;
+	}
 
 	bridge->type = SUPPORTED;
 
 	error = agp_backend_initialize(agp_bridge);
-	if (error)
+	if (error) {
+		printk (KERN_INFO PFX "agp_backend_initialize() failed.\n");
 		goto err_out;
+	}
 
 	error = agp_frontend_initialize();
-	if (error)
+	if (error) {
+		printk (KERN_INFO PFX "agp_frontend_initialize() failed.\n");
 		goto frontend_err;
+	}
 
 	/* FIXME: What to do with this? */
 	inter_module_register("drm_agp", THIS_MODULE, &drm_agp);
 
-	pm_register(PM_PCI_DEV, PM_PCI_ID(bridge->dev), agp_power);
 	agp_count++;
 	return 0;
 
@@ -297,7 +289,6 @@ EXPORT_SYMBOL_GPL(agp_add_bridge);
 void agp_remove_bridge(struct agp_bridge_data *bridge)
 {
 	bridge->type = NOT_SUPPORTED;
-	pm_unregister_all(agp_power);
 	agp_frontend_cleanup();
 	agp_backend_cleanup(bridge);
 	inter_module_unregister("drm_agp");

drivers/char/agp/generic.c

@@ -419,7 +419,35 @@ static void agp_v3_parse_one(u32 *mode, u32 *cmd, u32 *tmp)
 	if (!((*cmd & AGPSTAT_FW) && (*tmp & AGPSTAT_FW) && (*mode & AGPSTAT_FW)))
 		*cmd &= ~AGPSTAT_FW;
 
-	/* Set speed. */
+	/*
+	 * Set speed.
+	 * Check for invalid speeds. This can happen when applications
+	 * written before the AGP 3.0 standard pass AGP2.x modes to AGP3 hardware
+	 */
+	if (*mode & AGPSTAT_MODE_3_0) {
+		/*
+		 * Caller hasn't a clue what its doing. We are in 3.0 mode,
+		 * have been passed a 3.0 mode, but with 2.x speed bits set.
+		 * AGP2.x 4x -> AGP3.0 4x.
+		 */
+		if (*mode & AGPSTAT2_4X) {
+			printk (KERN_INFO PFX "%s passes broken AGP3 flags (%x). Fixed.\n",
+						current->comm, *mode);
+			*mode &= ~AGPSTAT2_4X;
+			*mode |= AGPSTAT3_4X;
+		}
+	} else {
+		/*
+		 * The caller doesn't know what they are doing. We are in 3.0 mode,
+		 * but have been passed an AGP 2.x mode.
+		 * Convert AGP 1x,2x,4x -> AGP 3.0 4x.
+		 */
+		printk (KERN_INFO PFX "%s passes broken AGP2 flags (%x) in AGP3 mode. Fixed.\n",
+					current->comm, *mode);
+		*mode &= ~(AGPSTAT2_4X | AGPSTAT2_2X | AGPSTAT2_1X);
+		*mode |= AGPSTAT3_4X;
+	}
+
 	if (!((*cmd & AGPSTAT3_8X) && (*tmp & AGPSTAT3_8X) && (*mode & AGPSTAT3_8X)))
 		*cmd &= ~AGPSTAT3_8X;
 
@@ -428,9 +456,9 @@ static void agp_v3_parse_one(u32 *mode, u32 *cmd, u32 *tmp)
 
 	/* Clear out unwanted bits. */
 	if (*cmd & AGPSTAT3_8X)
-		*cmd *= ~(AGPSTAT3_4X | AGPSTAT3_RSVD);
+		*cmd = ~(AGPSTAT3_4X | AGPSTAT3_RSVD);
 	if (*cmd & AGPSTAT3_4X)
-		*cmd *= ~(AGPSTAT3_8X | AGPSTAT3_RSVD);
+		*cmd = ~(AGPSTAT3_8X | AGPSTAT3_RSVD);
 }
 
 //FIXME: This doesn't smell right.
@@ -539,7 +567,7 @@ void agp_generic_enable(u32 mode)
 		if (agp3 & AGPSTAT_MODE_3_0) {
 			/* If we have 3.5, we can do the isoch stuff. */
 			if (agp_bridge->minor_version >= 5)
-				agp_3_5_enable(agp_bridge, mode);
+				agp_3_5_enable(agp_bridge);
 			agp_device_command(command, TRUE);
 			return;
 		} else {
@@ -671,20 +699,6 @@ int agp_generic_create_gatt_table(void)
 }
 EXPORT_SYMBOL(agp_generic_create_gatt_table);
 
-int agp_generic_suspend(void)
-{
-	return 0;
-}
-EXPORT_SYMBOL(agp_generic_suspend);
-
-
-void agp_generic_resume(void)
-{
-	return;
-}
-EXPORT_SYMBOL(agp_generic_resume);
-
-
 int agp_generic_free_gatt_table(void)
 {
 	int page_order;
@@ -922,3 +936,13 @@ void global_cache_flush(void)
 }
 EXPORT_SYMBOL(global_cache_flush);
 
+unsigned long agp_generic_mask_memory(unsigned long addr, int type)
+{
+	/* memory type is ignored in the generic routine */
+	if (agp_bridge->driver->masks)
+		return addr | agp_bridge->driver->masks[0].mask;
+	else
+		return addr;
+}
+EXPORT_SYMBOL(agp_generic_mask_memory);
+

drivers/char/agp/hp-agp.c

@@ -330,13 +330,13 @@ static unsigned long hp_zx1_mask_memory(unsigned long addr, int type)
 
 struct agp_bridge_driver hp_zx1_driver = {
 	.owner			= THIS_MODULE,
-	.masks			= hp_zx1_masks,
 	.size_type		= FIXED_APER_SIZE,
 	.configure		= hp_zx1_configure,
 	.fetch_size		= hp_zx1_fetch_size,
 	.cleanup		= hp_zx1_cleanup,
 	.tlb_flush		= hp_zx1_tlbflush,
 	.mask_memory		= hp_zx1_mask_memory,
+	.masks			= hp_zx1_masks,
 	.agp_enable		= agp_generic_enable,
 	.cache_flush		= global_cache_flush,
 	.create_gatt_table	= hp_zx1_create_gatt_table,
@@ -400,7 +400,7 @@ static struct pci_device_id agp_hp_pci_table[] __initdata = {
 
 MODULE_DEVICE_TABLE(pci, agp_hp_pci_table);
 
-static struct __initdata pci_driver agp_hp_pci_driver = {
+static struct pci_driver agp_hp_pci_driver = {
 	.name		= "agpgart-hp",
 	.id_table	= agp_hp_pci_table,
 	.probe		= agp_hp_probe,

drivers/char/agp/i460-agp.c

@@ -525,7 +525,6 @@ static unsigned long i460_mask_memory (unsigned long addr, int type)
 
 struct agp_bridge_driver intel_i460_driver = {
 	.owner			= THIS_MODULE,
-	.masks			= i460_masks,
 	.aperture_sizes		= i460_sizes,
 	.size_type		= U8_APER_SIZE,
 	.num_aperture_sizes	= 3,
@@ -534,6 +533,7 @@ struct agp_bridge_driver intel_i460_driver = {
 	.cleanup		= i460_cleanup,
 	.tlb_flush		= i460_tlb_flush,
 	.mask_memory		= i460_mask_memory,
+	.masks			= i460_masks,
 	.agp_enable		= agp_generic_enable,
 	.cache_flush		= global_cache_flush,
 	.create_gatt_table	= i460_create_gatt_table,
@@ -551,8 +551,6 @@ struct agp_bridge_driver intel_i460_driver = {
 #endif
 	.alloc_by_type		= agp_generic_alloc_by_type,
 	.free_by_type		= agp_generic_free_by_type,
-	.suspend		= agp_generic_suspend,
-	.resume			= agp_generic_resume,
 	.cant_use_aperture	= 1,
 };
 
@@ -600,7 +598,7 @@ static struct pci_device_id agp_intel_i460_pci_table[] __initdata = {
 
 MODULE_DEVICE_TABLE(pci, agp_intel_i460_pci_table);
 
-static struct __initdata pci_driver agp_intel_i460_pci_driver = {
+static struct pci_driver agp_intel_i460_pci_driver = {
 	.name		= "agpgart-intel-i460",
 	.id_table	= agp_intel_i460_pci_table,
 	.probe		= agp_intel_i460_probe,

drivers/char/agp/isoch.c

@@ -314,7 +314,7 @@ static void agp_3_5_nonisochronous_node_enable(struct agp_bridge_data *bridge,
  * Fully configure and enable an AGP 3.0 host bridge and all the devices
  * lying behind it.
  */
-int agp_3_5_enable(struct agp_bridge_data *bridge, u32 mode)
+int agp_3_5_enable(struct agp_bridge_data *bridge)
 {
 	struct pci_dev *td = bridge->dev, *dev;
 	u8 mcapndx;
@@ -448,6 +448,8 @@ int agp_3_5_enable(struct agp_bridge_data *bridge, u32 mode)
 			printk(KERN_INFO PFX "Something bad happened setting "
 			       "up isochronous xfers.  Falling back to "
 			       "non-isochronous xfer mode.\n");
+		} else {
+			goto free_and_exit;
 		}
 	}
 	agp_3_5_nonisochronous_node_enable(bridge, dev_list, ndevs);

drivers/char/agp/nvidia-agp.c

@@ -140,13 +140,12 @@ static void nvidia_cleanup(void)
 }
 
 
-static unsigned long nvidia_mask_memory(unsigned long addr, int type)
-{
-	/* Memory type is ignored */
-	return addr | agp_bridge->driver->masks[0].mask;
-}
-
-#if 0
+/*
+ * Note we can't use the generic routines, even though they are 99% the same.
+ * Aperture sizes <64M still requires a full 64k GART directory, but
+ * only use the portion of the TLB entries that correspond to the apertures
+ * alignment inside the surrounding 64M block.
+ */
 extern int agp_memory_reserved;
 
 static int nvidia_insert_memory(agp_memory * mem, off_t pg_start, int type)
@@ -172,10 +171,11 @@ static int nvidia_insert_memory(agp_memory * mem, off_t pg_start, int type)
 	for (i = 0, j = pg_start; i < mem->page_count; i++, j++)
 		agp_bridge->gatt_table[nvidia_private.pg_offset + j] = mem->memory[i];
 
-	agp_bridge->tlb_flush(mem);
+	agp_bridge->driver->tlb_flush(mem);
 	return 0;
 }
 
+
 static int nvidia_remove_memory(agp_memory * mem, off_t pg_start, int type)
 {
 	int i;
@@ -188,10 +188,9 @@ static int nvidia_remove_memory(agp_memory * mem, off_t pg_start, int type)
 		    (unsigned long) agp_bridge->scratch_page;
 	}
 
-	agp_bridge->tlb_flush(mem);
+	agp_bridge->driver->tlb_flush(mem);
 	return 0;
 }
-#endif
 
 
 static void nvidia_tlbflush(agp_memory * mem)
@@ -238,13 +237,12 @@ static struct aper_size_info_8 nvidia_generic_sizes[5] =
 
 static struct gatt_mask nvidia_generic_masks[] =
 {
-	{0x00000001, 0}
+	{ .mask = 1, .type = 0}
 };
 
 
 struct agp_bridge_driver nvidia_driver = {
 	.owner			= THIS_MODULE,
-	.masks			= nvidia_generic_masks,
 	.aperture_sizes		= nvidia_generic_sizes,
 	.size_type		= U8_APER_SIZE,
 	.num_aperture_sizes	= 5,
@@ -252,19 +250,18 @@ struct agp_bridge_driver nvidia_driver = {
 	.fetch_size		= nvidia_fetch_size,
 	.cleanup		= nvidia_cleanup,
 	.tlb_flush		= nvidia_tlbflush,
-	.mask_memory		= nvidia_mask_memory,
+	.mask_memory		= agp_generic_mask_memory,
+	.masks			= nvidia_generic_masks,
 	.agp_enable		= agp_generic_enable,
 	.cache_flush		= global_cache_flush,
 	.create_gatt_table	= agp_generic_create_gatt_table,
 	.free_gatt_table	= agp_generic_free_gatt_table,
-	.insert_memory		= agp_generic_insert_memory,
-	.remove_memory		= agp_generic_remove_memory,
+	.insert_memory		= nvidia_insert_memory,
+	.remove_memory		= nvidia_remove_memory,
 	.alloc_by_type		= agp_generic_alloc_by_type,
 	.free_by_type		= agp_generic_free_by_type,
 	.agp_alloc_page		= agp_generic_alloc_page,
 	.agp_destroy_page	= agp_generic_destroy_page,
-	.suspend		= agp_generic_suspend,
-	.resume			= agp_generic_resume,
 };
 
 static int __init agp_nvidia_probe(struct pci_dev *pdev,
@@ -354,7 +351,7 @@ static struct pci_device_id agp_nvidia_pci_table[] __initdata = {
 
 MODULE_DEVICE_TABLE(pci, agp_nvidia_pci_table);
 
-static struct __initdata pci_driver agp_nvidia_pci_driver = {
+static struct pci_driver agp_nvidia_pci_driver = {
 	.name		= "agpgart-nvidia",
 	.id_table	= agp_nvidia_pci_table,
 	.probe		= agp_nvidia_probe,

drivers/char/agp/sis-agp.c

@@ -63,13 +63,6 @@ static void sis_cleanup(void)
 			      (previous_size->size_value & ~(0x03)));
 }
 
-static unsigned long sis_mask_memory(unsigned long addr, int type)
-{
-	/* Memory type is ignored */
-
-	return addr | agp_bridge->driver->masks[0].mask;
-}
-
 static struct aper_size_info_8 sis_generic_sizes[7] =
 {
 	{256, 65536, 6, 99},
@@ -81,14 +74,8 @@ static struct aper_size_info_8 sis_generic_sizes[7] =
 	{4, 1024, 0, 3}
 };
 
-static struct gatt_mask sis_generic_masks[] =
-{
-	{.mask = 0x00000000, .type = 0}
-};
-
 struct agp_bridge_driver sis_driver = {
 	.owner			= THIS_MODULE,
-	.masks			= sis_generic_masks,
 	.aperture_sizes 	= sis_generic_sizes,
 	.size_type		= U8_APER_SIZE,
 	.num_aperture_sizes	= 7,
@@ -96,7 +83,8 @@ struct agp_bridge_driver sis_driver = {
 	.fetch_size		= sis_fetch_size,
 	.cleanup		= sis_cleanup,
 	.tlb_flush		= sis_tlbflush,
-	.mask_memory		= sis_mask_memory,
+	.mask_memory		= agp_generic_mask_memory,
+	.masks			= NULL,
 	.agp_enable		= agp_generic_enable,
 	.cache_flush		= global_cache_flush,
 	.create_gatt_table	= agp_generic_create_gatt_table,
@@ -107,8 +95,6 @@ struct agp_bridge_driver sis_driver = {
 	.free_by_type		= agp_generic_free_by_type,
 	.agp_alloc_page		= agp_generic_alloc_page,
 	.agp_destroy_page	= agp_generic_destroy_page,
-	.suspend		= agp_generic_suspend,
-	.resume			= agp_generic_resume,
 };
 
 struct agp_device_ids sis_agp_device_ids[] __initdata =
@@ -240,7 +226,7 @@ static struct pci_device_id agp_sis_pci_table[] __initdata = {
 
 MODULE_DEVICE_TABLE(pci, agp_sis_pci_table);
 
-static struct __initdata pci_driver agp_sis_pci_driver = {
+static struct pci_driver agp_sis_pci_driver = {
 	.name		= "agpgart-sis",
 	.id_table	= agp_sis_pci_table,
 	.probe		= agp_sis_probe,

drivers/char/agp/sworks-agp.c

@@ -308,13 +308,6 @@ static void serverworks_cleanup(void)
 	iounmap((void *) serverworks_private.registers);
 }
 
-static unsigned long serverworks_mask_memory(unsigned long addr, int type)
-{
-	/* Only type 0 is supported by the serverworks chipsets */
-
-	return addr | agp_bridge->driver->masks[0].mask;
-}
-
 static int serverworks_insert_memory(agp_memory * mem,
 			     off_t pg_start, int type)
 {
@@ -383,7 +376,7 @@ static int serverworks_remove_memory(agp_memory * mem, off_t pg_start,
 
 static struct gatt_mask serverworks_masks[] =
 {
-	{.mask = 0x00000001, .type = 0}
+	{.mask = 1, .type = 0}
 };
 
 static struct aper_size_info_lvl2 serverworks_sizes[7] =
@@ -421,7 +414,6 @@ static void serverworks_agp_enable(u32 mode)
 
 struct agp_bridge_driver sworks_driver = {
 	.owner			= THIS_MODULE,
-	.masks			= serverworks_masks,
 	.aperture_sizes		= serverworks_sizes,
 	.size_type		= LVL2_APER_SIZE,
 	.num_aperture_sizes	= 7,
@@ -429,7 +421,8 @@ struct agp_bridge_driver sworks_driver = {
 	.fetch_size		= serverworks_fetch_size,
 	.cleanup		= serverworks_cleanup,
 	.tlb_flush		= serverworks_tlbflush,
-	.mask_memory		= serverworks_mask_memory,
+	.mask_memory		= agp_generic_mask_memory,
+	.masks			= serverworks_masks,
 	.agp_enable		= serverworks_agp_enable,
 	.cache_flush		= global_cache_flush,
 	.create_gatt_table	= serverworks_create_gatt_table,
@@ -440,8 +433,6 @@ struct agp_bridge_driver sworks_driver = {
 	.free_by_type		= agp_generic_free_by_type,
 	.agp_alloc_page		= agp_generic_alloc_page,
 	.agp_destroy_page	= agp_generic_destroy_page,
-	.suspend		= agp_generic_suspend,
-	.resume			= agp_generic_resume,
 };
 
 static int __init agp_serverworks_probe(struct pci_dev *pdev,
@@ -532,7 +523,7 @@ static struct pci_device_id agp_serverworks_pci_table[] __initdata = {
 
 MODULE_DEVICE_TABLE(pci, agp_serverworks_pci_table);
 
-static struct __initdata pci_driver agp_serverworks_pci_driver = {
+static struct pci_driver agp_serverworks_pci_driver = {
 	.name		= "agpgart-serverworks",
 	.id_table	= agp_serverworks_pci_table,
 	.probe		= agp_serverworks_probe,

drivers/char/agp/via-agp.c

@@ -75,14 +75,6 @@ static void via_tlbflush(agp_memory * mem)
 }
 
 
-static unsigned long via_mask_memory(unsigned long addr, int type)
-{
-	/* Memory type is ignored */
-
-	return addr | agp_bridge->driver->masks[0].mask;
-}
-
-
 static struct aper_size_info_8 via_generic_sizes[7] =
 {
 	{256, 65536, 6, 0},
@@ -95,12 +87,6 @@ static struct aper_size_info_8 via_generic_sizes[7] =
 };
 
 
-static struct gatt_mask via_generic_masks[] =
-{
-	{.mask = 0x00000000, .type = 0}
-};
-
-
 static int via_fetch_size_agp3(void)
 {
 	int i;
@@ -176,7 +162,6 @@ static struct aper_size_info_16 via_generic_agp3_sizes[11] =
 
 struct agp_bridge_driver via_agp3_driver = {
 	.owner			= THIS_MODULE,
-	.masks			= via_generic_masks,
 	.aperture_sizes		= via_generic_agp3_sizes,
 	.size_type		= U8_APER_SIZE,
 	.num_aperture_sizes	= 10,
@@ -184,7 +169,8 @@ struct agp_bridge_driver via_agp3_driver = {
 	.fetch_size		= via_fetch_size_agp3,
 	.cleanup		= via_cleanup_agp3,
 	.tlb_flush		= via_tlbflush_agp3,
-	.mask_memory		= via_mask_memory,
+	.mask_memory		= agp_generic_mask_memory,
+	.masks			= NULL,
 	.agp_enable		= agp_generic_enable,
 	.cache_flush		= global_cache_flush,
 	.create_gatt_table	= agp_generic_create_gatt_table,
@@ -195,13 +181,10 @@ struct agp_bridge_driver via_agp3_driver = {
 	.free_by_type		= agp_generic_free_by_type,
 	.agp_alloc_page		= agp_generic_alloc_page,
 	.agp_destroy_page	= agp_generic_destroy_page,
-	.suspend		= agp_generic_suspend,
-	.resume			= agp_generic_resume,
 };
 
 struct agp_bridge_driver via_driver = {
 	.owner			= THIS_MODULE,
-	.masks			= via_generic_masks,
 	.aperture_sizes		= via_generic_sizes,
 	.size_type		= U8_APER_SIZE,
 	.num_aperture_sizes	= 7,
@@ -209,7 +192,8 @@ struct agp_bridge_driver via_driver = {
 	.fetch_size		= via_fetch_size,
 	.cleanup		= via_cleanup,
 	.tlb_flush		= via_tlbflush,
-	.mask_memory		= via_mask_memory,
+	.mask_memory		= agp_generic_mask_memory,
+	.masks			= NULL,
 	.agp_enable		= agp_generic_enable,
 	.cache_flush		= global_cache_flush,
 	.create_gatt_table	= agp_generic_create_gatt_table,
@@ -220,8 +204,6 @@ struct agp_bridge_driver via_driver = {
 	.free_by_type		= agp_generic_free_by_type,
 	.agp_alloc_page		= agp_generic_alloc_page,
 	.agp_destroy_page	= agp_generic_destroy_page,
-	.suspend		= agp_generic_suspend,
-	.resume			= agp_generic_resume,
 };
 
 static struct agp_device_ids via_agp_device_ids[] __initdata =
@@ -402,6 +384,7 @@ static int __init agp_via_probe(struct pci_dev *pdev,
 
 	bridge->dev = pdev;
 	bridge->capndx = cap_ptr;
+	bridge->driver = &via_driver;
 
 	switch (pdev->device) {
 	case PCI_DEVICE_ID_VIA_8367_0:
@@ -427,7 +410,6 @@ static int __init agp_via_probe(struct pci_dev *pdev,
 		}
 		/*FALLTHROUGH*/
 	default:
-		bridge->driver = &via_driver;
 		break;
 	}
 
@@ -466,7 +448,7 @@ static struct pci_device_id agp_via_pci_table[] __initdata = {
 MODULE_DEVICE_TABLE(pci, agp_via_pci_table);
 
 
-static struct __initdata pci_driver agp_via_pci_driver = {
+static struct pci_driver agp_via_pci_driver = {
 	.name		= "agpgart-via",
 	.id_table	= agp_via_pci_table,
 	.probe		= agp_via_probe,

include/asm-ppc/agp.h

+#ifndef AGP_H
+#define AGP_H 1
+
+#include <asm/io.h>
+
+/* nothing much needed here */
+
+#define map_page_into_agp(page) 
+#define unmap_page_from_agp(page) 
+#define flush_agp_mappings() 
+#define flush_agp_cache() mb()
+
+#endif

include/linux/pci_ids.h

@@ -1131,6 +1131,7 @@
 #define PCI_DEVICE_ID_VIA_8754		0x3168
 #define PCI_DEVICE_ID_VIA_8235		0x3177
 #define PCI_DEVICE_ID_VIA_P4N333	0x3178
+#define PCI_DEVICE_ID_VIA_K8T400M_0	0x3188
 #define PCI_DEVICE_ID_VIA_8377_0	0x3189
 #define PCI_DEVICE_ID_VIA_KM400		0x3205
 #define PCI_DEVICE_ID_VIA_P4M400	0x3209